Many of us have a favourite mug or cup for our espresso and using it frequently can leave it with brown stains inside. The Unattractive stains consist of oils which make coffee taste bitter. Utilize the Mild abrasive action of baking soda to remove the stains. Lean Into Your Cleaning https://social-bookmarking.org/en/the-ultimate-guide-to-office-cleaning-keeping-your-workspace-pristine-and-productive